<template>
  <div class="todo-footer">
    <label>
      <input type="checkbox"  :checked="doneTotal === allTotal" @click="allChackHandle"/>
    </label>
    <span> <span>已完成{{doneTotal}}</span> / 全部{{allTotal}} </span>
    <button class="btn btn-danger" @click="clearDoneHandle">清除已完成任务</button>
  </div>
</template>

<script>
export default {
  props:["list" ,"allChackHandle",'clearDoneHandle'],
  mounted(){
      console.log(this.list);
    },
  computed:{
    allTotal(){
       return this.list.length
    },
    doneTotal(){
      return this.list.filter((todo)=>todo.isDone).length
    }
  }

}
</script>

<style>
/*footer*/
.todo-footer {
  height: 40px;
  line-height: 40px;
  padding-left: 6px;
  margin-top: 5px;
}

.todo-footer label {
  display: inline-block;
  margin-right: 20px;
  cursor: pointer;
}

.todo-footer label input {
  position: relative;
  top: -1px;
  vertical-align: middle;
  margin-right: 5px;
}

.todo-footer button {
  float: right;
  margin-top: 5px;
}
</style>
